Pipe-coupling.



P. J. MADDEN.

PIPE COUPLING.

APPLICATION FILED SEPT. 30, 1911. I

Patented Mar. 10, 1914 Ill ' cation and in which:

' vertical chamber A UNITED STATES PATENT OFFICE.

PATRICK-J; MADDEN, or CHICAGO, ILLINOIS.

PIPE-COUPLING. I

Original application filed December 21, 1907, Serial No. 407,604.

Specification of Letters Patent.

Patented Mar. 10. 1914.

Continuation application filed July 27,

1909, Serial m3. 509,913. Divided and this application filed September 30, 1911. Ser iahNo. 652,101]

(.hicago, in thecounty of (00k and Statc of Illinois. have invented certain new andi useful Improvements in Pipe-Couplings, of which the following is a specification.

The present invention relates more particularly to means for coupling or connecting the end of a pipe or equivalent device with a plumbing fixturehaving through it an opening for the passage of water, so that the pipe and opening of the fixture reg ster with each other and the joint between them is made water tight.

The object of the invention, generally stated, is to provide, for this purpose, 1111- proved means for connecting or coupling'the parts together-improved 111 therespects that the coupling (as it will hereinafter'be ,called) forms arr ellicient water tight joint; pre ents any movement of the parts relatively to each other in any direction: affords a seat for the valve for cont-rolling the opening of the receptaclef has but few parts of simpleconstruction thateasily and quickly assemble or disassemble and is of great strength and durability.

- To these ends theinvention consists in the Features ofnovelty that are hereinafter described with rct'ere-nce to the accompanying: drawing which is madea part of this specifi- Figure 1' is a view. partly inelevation and partly in vertical ccntralsectior. of a lavatory havingapipe connection emoody-i -ing the invention. Fig, 2 is a section of some of the parts'thereof on an enlarged scale.

Forllre purposes offillustration, I have shown the invention as embodied in a coupling for conncctin'g'a lavatory bowl with its waste outlet pipe "or trap, but it will beunderstood that the "invention is equally ap-' plicahlc to a large variety of plumbing Fx tures and that it maybe used at either the outlet or the inlet opening, of the fixture. With this understanding the following descriptionswill beconiined to that specific a ablo knob for manipulating it.

plication of the invention which is shown in the drawing.

A. represents the bowl proper o'f a lavatory. the bottom of which is provided near the back with an opening a miarded by a strainer. Behind the back of the bowl is a I which extends from the l 1 under side of the horizontal top slab A at the back of the bowl downward to a level below the bottom ,of the bowl, and the bottom of this chamber is extended forward bencath lhc bowl to 1 point in front of the opcning" to form a passage a through which thc. interiors of the bowl and the chambcr arc in constant'open communicalion. 'lhe bowl A. the chamber A and the passage connecting them taken together constitute what is herein called the recept-aclc." I

The bottom of the chamber A botlom ot' the rcceptacle) is an opcninjg a for the outlet of the contents of the receptacle. The circular wall of this opening flares upward and outward, and on its under side the bottom of the receptacle is countersunk around the openinggthe outer circular wall a of the countersink being flared downward and outward, and providbearing surface presented inward,

(i. e. the provided with portion ll and a cylindrical portion .B

The flaring portion iscomplementary to and bears liruily. upon the flaring wall a of the opening and its inner flaring face affords a seal for the valve for controlling the openin;;. This valve consists of a rubber ring ll of appropriate shape surroundinc a tube ll" and held in placethereon by a nut B having threaded engagement with the tube. The tube B occupies the chamber A and passes through an opening at the top there of. its upper end being provided with a suit- It performs the double function of an overflow and a stern for the valve BLin customary manner. The cylindrical portion of the thimble ex- "tcnds into the countersink and iscxternally threaded. On to it is screwedfa ring C which bears against the bottom of the countersink so that when screwed home it holds the thimhle firmly in place" and is itself firmly held in place by the thimble. The ]')cripl,icl'y of the ring is chamtered rcvcrsely to the flaring wall a of the countersink to provide a bearing surface. so that the two together form a groove of substantially V- shape in which fits one side of an elastic packing ring D of substantially diamondshape in cross section.- The other side of the packing ring fits in an annular V-sheped groove formed in a flange 6 carried by the vertically presented open end of a pipe E.

1 ing through the w .With the parts thus constructed and arranged, a water tight .joint between the receptacle and pipe maybe made by forcing them toward each other and compressing 5 the packing ring D. and so far as the present invention is concerned, this may be done by any suitable means. The means shown in the drawings consist of a screw 1*" engaging the pipe, a nut F supporting the screw and a housing A supporting'the nut,'the housing-being integral with the bowl, and so shaped as to cover the end of -the pipe. With this arrangement, the prssure'pro vided by tightening the screw reacts in op- 5 posite directions against the receptacle and pipe with a tendency to force them toward each other and comprcss'the packing ring, but, the pipe i-eing supported, (as presently described) so tobe inca able of any ver ,tical movement, the tightening of the screw,

in fact, draws the bowl downward toward 1 the pipe. Thus the pipe maybe made to support the receptacle. either wholly or partially. But the housing and the means for supporting the receptacle, just described, form a part of the subject matter of my Patent No. 897,914 granted September 8, 1908, and are not claimed broadly in this application. i

:WVhen the earthenware parts ofthe fixtures come from thebakifig-oven the distance between the opening a and other parts of the baked article varles more or less in different articles. because of the impossibility of molding and baking earthenware,articles of complicated formation with such accuracy and perfection that all of .them will be exactly alike in al,l of their measurements, the differences beingdue in part to inac 4O .curzicics in molding' and in part to inequali- -ties 'of expansion and contraction, and with an article of the particular class shown in thedrawing the osition of theopening a with relation to t ie other parts of the artich: may also be varied by reason .of the "cornmoi'i practice of dressing 011' the back surface which is intended to bear flat against 7 the supporting wall or other support.- It is therefore necessary to provide means for ad- 0 justing the up-turned open endof the pipe E relatively to the wall n order that it may be brought to register accurately with the pening the distance of which latter mm the supporting wall will 'vary in differcut fixtures, owing to the causes above'mentioned. To this end a nut Hlon an externally threaded horizontal portion E of the pipe-section E is adjusted to such position that when the open'end of the pipe is in register with the opening of the-receptacle, the nut bears against the outer face of the wall; an internally threaded pipe-section, I, whichEfolims a continuation of thlepipesection, ts, snu a oriz 'taopenafi imd is scrz v vcd on to the threaded portion E of the pipe-section E until it compresses between its end and the nut H an elastic gaskeQ-J, and a nut K is turned on to the externally threaded projecting end of the pipe-section, I, until it bears firmly against the rear face of the wall, whereby the wall is firmly clamped between the two nuts and the pipe, comprising the pipe-sections, E and I, firmly held against either vertical or horizontal move ment relatively to the wall.

The vertically presented-end of the pipe, E, has an upwardly projecting annular lip, e, and the ring C has in its under side a c0untersink, 0, into which the lip projects, said countersink resulting in an inwardly presented bearing surface which encircles the lip, the arrangement being such that any considerable lateral movement of the upper end of the pipe relatively to the-receptacle, or con versely, any considerable movement of the receptacle relating to the pipe will be prevented by the contact of the lip and the inwardly presented bearing surface. At the top side of the back or wall slab A the rib or raised portion A is undercut to provide an overhanging lip A", the shoulder resulting from thesloping inner face of which is adapted. to rest upon a correspondingly inclined seat on a bracket-L car- A rubber packing N is interposed between lessening the liability of breaking the earthwhere more than one are used, as in the pres-- ent case, where one is used on each side of the center of the. fixture) forms'the main supshould result in bringing the bracket. so low down that the shoulder on the back of the wall slab, A, did not come to a firm erly assembled the weight ofthe .fixt-ure will be sustained in part by the bracket and in part by the waste pipe. Furthermore by reasonof the sloping shape and consequent that there are two means for accomplishing this object.

a patent for improvements in plumbingjfiktures, filed July 27,1909, Seria N 0. 509,913.

enwaref This bracket (or these bracketswcight of the fixture if desired or if per-. chance, an error in assembling the parts.

interlocking of the "bracket and the shoulder, the bracket will prevent the fixture from moving horizontally away from 'the wall,

and this is also done by the waste pipe so.

ried'by a plate IVI secured to the wall G.

thebracket and shoulder for the purpose of 4 on the brackets But if the parts are prop This is a division ofuny' applicationliorv The subject matter of-th'e present ap li cation was originally shown and, descri edinmy applicat on filed Dec. 21:, 1907, Serial- YVhat I claim as new is:

1. In a pipe coupling, the combination with a receptacle having through it an opening for the passage of water, and a pipe having an open end registering with said opening, of means for coupling the receptacle and pipe together, said coupling means having on the receptacle an annular bearing surface, surrounding its opening and presented inward, a thinible passing through the opening of the receptacle, a ring having threaded engagement with the thimble and providing a bearing surface presented outward, said bearing surfaces being spaced apart to provide an annular groove between them, a packing ring occupying said annular groove and a corresponding groove in the pipe, and means for forcing the receptacle and pipe toward each other. 7

2. In a pipe coupling, the combination with a receptacle havin through itan opening for the passage 0 water, and a pipe I having an 0 an end registering with the opening of t e receptacle, means for coupling them together, said cou ling means aving a thimble extending tirough said opening and provided with a valve seat presented upward, a ring having threaded en gagement with the thimble and having in its under side a countersink, resulting in an inwardly presented bearing surface, the pipe being provided with an annular lip extending into said countersink and means for forcing the receptacle and pipe toward each other.

3. In a pipe coupling, the combination with a receptacle having through it an opening for the passage of water, the receptacle being countersunk around the opening providing av bearing surface presented inward, a ring located in said countersink and having a bearing surface presented outward, a space being left between said bearing surfaces to form an annular groove, a thimble supported by the receptacle and extending through the opening thereof, said thimble and rm having threaded engagement with each 0t er, a packing ring interposed between the receptacle and pipe and .occupying the groove aforesaid and a corresponding groove with which the pipe is provided.

and means for forcing the pipe and receptacle toward each other.

4. In a pipe coupling, the combination with a receptacle having an opening through it, said receptacle being countersunk around said opening providing a bearing surface presented inward, a ring located in said countersink and providing a hearing surface presented outward, a space being left between-said bearing surfaces to form an annular groove, a thimble supported by the receptacle and passing'through its opening, 'said thimble and ring having threaded engagenlent with each other and the ring bein provided with a bearing surface'presente inward, a pipe having an open end registering'with the opening of the receptacle and having an annular lip encircled by said inwardly presented bearing surface of the ring, a packing ring interposed between the receptacle and pipe and ,occu ying the groove aforesaid and a correspon ing groove formed in the pipe, and means for forcing the pipe and receptacle toward each other.

5. A plumbing fixture havinga receptacle provided through its bottom with an opening for the discharge of Water, a pipe having an open end presented upward and registering with said discharge opening, said pipe having also a horizontal portion adapt.- ed to extend through an opening formed through a supporting wall, means for coupling together the receptacle and the upwardly presented end of the pipe and preventing their movement relatively to each other, said horizontal portion of the pipe being made up of an inner section screw threaded on its exterior and an outer section screw threaded on both its exterior and interior, a nut turned on to the outer section and adapted to engage the rear face of the wall, a nut turned on to the inner section and adapted to engage the front face of the wall, and a packing ring surrounding the inner section between the nut ,last aforesaid and the end of the outer section.

" PATRICK J. MADDEN.

FRANK E. BALLARD. 

